[libc++] Forward std::all_of and std::none_of to std::any_of

libcxx/include/__algorithm/all_of.h

@@ -10,24 +10,28 @@
 #ifndef _LIBCPP___ALGORITHM_ALL_OF_H
 #define _LIBCPP___ALGORITHM_ALL_OF_H
 
+#include <__algorithm/any_of.h>
 #include <__config>
 #include <__functional/identity.h>
 #include <__type_traits/invoke.h>
+#include <__utility/forward.h>
+#include <__utility/move.h>
 
 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #  pragma GCC system_header
 #endif
 
+_LIBCPP_PUSH_MACROS
+#include <__undef_macros>
+
 _LIBCPP_BEGIN_NAMESPACE_STD
 
 template <class _Iter, class _Sent, class _Proj, class _Pred>
 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 bool
 __all_of(_Iter __first, _Sent __last, _Pred& __pred, _Proj& __proj) {
-  for (; __first != __last; ++__first) {
-    if (!std::__invoke(__pred, std::__invoke(__proj, *__first)))
-      return false;
-  }
-  return true;
+  using _Ref          = decltype(std::__invoke(__proj, *__first));
+  auto __negated_pred = [&__pred](_Ref __arg) -> bool { return !std::__invoke(__pred, std::forward<_Ref>(__arg)); };
+  return !std::__any_of(std::move(__first), std::move(__last), __negated_pred, __proj);
 }
 
 template <class _InputIterator, class _Predicate>
@@ -39,4 +43,6 @@ all_of(_InputIterator __first, _InputIterator __last, _Predicate __pred) {
 
 _LIBCPP_END_NAMESPACE_STD
 
+_LIBCPP_POP_MACROS
+
 #endif // _LIBCPP___ALGORITHM_ALL_OF_H

libcxx/include/__algorithm/none_of.h

@@ -10,7 +10,9 @@
 #ifndef _LIBCPP___ALGORITHM_NONE_OF_H
 #define _LIBCPP___ALGORITHM_NONE_OF_H
 
+#include <__algorithm/any_of.h>
 #include <__config>
+#include <__functional/identity.h>
 
 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #  pragma GCC system_header
@@ -21,10 +23,8 @@ _LIBCPP_BEGIN_NAMESPACE_STD
 template <class _InputIterator, class _Predicate>
 [[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 bool
 none_of(_InputIterator __first, _InputIterator __last, _Predicate __pred) {
-  for (; __first != __last; ++__first)
-    if (__pred(*__first))
-      return false;
-  return true;
+  __identity __proj;
+  return !std::__any_of(__first, __last, __pred, __proj);
 }
 
 _LIBCPP_END_NAMESPACE_STD

libcxx/test/std/algorithms/robust_against_nonbool.compile.pass.cpp

@@ -0,0 +1,136 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+// UNSUPPORTED: c++03, c++11, c++14, c++17
+
+// <algorithm>
+//
+// Algorithms that take predicates should support predicates that return a non-boolean value as long as the
+// returned type is implicitly convertible to bool.
+
+#include <algorithm>
+
+#include <initializer_list>
+
+#include "boolean_testable.h"
+
+using Value    = StrictComparable<int>;
+using Iterator = StrictBooleanIterator<Value*>;
+auto pred1     = StrictUnaryPredicate;
+auto pred2     = StrictBinaryPredicate;
+
+void f(Iterator it, Iterator out, std::size_t n, Value const& val, std::initializer_list<Value> ilist) {
+  (void)std::any_of(it, it, pred1);
+  (void)std::all_of(it, it, pred1);
+  (void)std::none_of(it, it, pred1);
+  (void)std::find_if(it, it, pred1);
+  (void)std::find_if_not(it, it, pred1);
+  (void)std::find_first_of(it, it, it, it);
+  (void)std::find_first_of(it, it, it, it, pred2);
+  (void)std::adjacent_find(it, it);
+  (void)std::adjacent_find(it, it, pred2);
+  (void)std::mismatch(it, it, it, it);
+  (void)std::mismatch(it, it, it, it, pred2);
+  (void)std::mismatch(it, it, it);
+  (void)std::mismatch(it, it, it);
+  (void)std::mismatch(it, it, it, pred2);
+  (void)std::equal(it, it, it, it);
+  (void)std::equal(it, it, it, it, pred2);
+  (void)std::equal(it, it, it);
+  (void)std::equal(it, it, it, pred2);
+  (void)std::lexicographical_compare(it, it, it, it);
+  (void)std::lexicographical_compare(it, it, it, it, pred2);
+  (void)std::partition_point(it, it, pred1);
+  (void)std::lower_bound(it, it, val);
+  (void)std::lower_bound(it, it, val, pred2);
+  (void)std::upper_bound(it, it, val);
+  (void)std::upper_bound(it, it, val, pred2);
+  (void)std::equal_range(it, it, val);
+  (void)std::equal_range(it, it, val, pred2);
+  (void)std::binary_search(it, it, val);
+  (void)std::binary_search(it, it, val, pred2);
+  (void)std::min(val, val);
+  (void)std::min(val, val, pred2);
+  (void)std::min(ilist);
+  (void)std::min(ilist, pred2);
+  (void)std::max(val, val);
+  (void)std::max(val, val, pred2);
+  (void)std::max(ilist);
+  (void)std::max(ilist, pred2);
+  (void)std::minmax(val, val);
+  (void)std::minmax(val, val, pred2);
+  (void)std::minmax(ilist);
+  (void)std::minmax(ilist, pred2);
+  (void)std::min_element(it, it);
+  (void)std::min_element(it, it, pred2);
+  (void)std::max_element(it, it);
+  (void)std::max_element(it, it, pred2);
+  (void)std::minmax_element(it, it);
+  (void)std::minmax_element(it, it, pred2);
+  (void)std::count_if(it, it, pred1);
+  (void)std::search(it, it, it, it);
+  (void)std::search(it, it, it, it, pred2);
+  (void)std::search_n(it, it, n, val);
+  (void)std::search_n(it, it, n, val, pred2);
+  (void)std::is_partitioned(it, it, pred1);
+  (void)std::is_sorted(it, it);
+  (void)std::is_sorted(it, it, pred2);
+  (void)std::is_sorted_until(it, it);
+  (void)std::is_sorted_until(it, it, pred2);
+  (void)std::is_heap(it, it);
+  (void)std::is_heap(it, it, pred2);
+  (void)std::is_heap_until(it, it);
+  (void)std::is_heap_until(it, it, pred2);
+  (void)std::clamp(val, val, val);
+  (void)std::clamp(val, val, val, pred2);
+  (void)std::is_permutation(it, it, it, it);
+  (void)std::is_permutation(it, it, it, it, pred2);
+  (void)std::copy_if(it, it, out, pred1);
+  (void)std::remove_copy_if(it, it, out, pred1);
+  (void)std::remove_copy(it, it, out, val);
+  (void)std::replace(it, it, val, val);
+  (void)std::replace_if(it, it, pred1, val);
+  (void)std::replace_copy_if(it, it, out, pred1, val);
+  (void)std::replace_copy(it, it, out, val, val);
+  (void)std::unique_copy(it, it, out, pred2);
+  (void)std::partition_copy(it, it, out, out, pred1);
+  (void)std::partial_sort_copy(it, it, it, it, pred2);
+  (void)std::merge(it, it, it, it, out);
+  (void)std::merge(it, it, it, it, out, pred2);
+  (void)std::set_difference(it, it, it, it, out, pred2);
+  (void)std::set_intersection(it, it, it, it, out, pred2);
+  (void)std::set_symmetric_difference(it, it, it, it, out, pred2);
+  (void)std::set_union(it, it, it, it, out, pred2);
+  (void)std::remove_if(it, it, pred1);
+  (void)std::remove(it, it, val);
+  (void)std::unique(it, it, pred2);
+  (void)std::partition(it, it, pred1);
+  (void)std::stable_partition(it, it, pred1);
+  (void)std::sort(it, it);
+  (void)std::sort(it, it, pred2);
+  (void)std::stable_sort(it, it);
+  (void)std::stable_sort(it, it, pred2);
+  (void)std::partial_sort(it, it, it);
+  (void)std::partial_sort(it, it, it, pred2);
+  (void)std::nth_element(it, it, it);
+  (void)std::nth_element(it, it, it, pred2);
+  (void)std::inplace_merge(it, it, it);
+  (void)std::inplace_merge(it, it, it, pred2);
+  (void)std::make_heap(it, it);
+  (void)std::make_heap(it, it, pred2);
+  (void)std::push_heap(it, it);
+  (void)std::push_heap(it, it, pred2);
+  (void)std::pop_heap(it, it);
+  (void)std::pop_heap(it, it, pred2);
+  (void)std::sort_heap(it, it);
+  (void)std::sort_heap(it, it, pred2);
+  (void)std::prev_permutation(it, it);
+  (void)std::prev_permutation(it, it, pred2);
+  (void)std::next_permutation(it, it);
+  (void)std::next_permutation(it, it, pred2);
+}